android fragment 横竖屏切换,android,横竖屏切换fragment

fragment1.xml

android:layout_width="match_parent"

android:layout_height="match_parent"

android:background="#ff0000"

android:orientation="vertical" >

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="我是fragment1的textview" />

android:layout_width="match_parent"

android:layout_height="match_parent"

android:background="#00ff00"

android:orientation="vertical" >

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="我是fragment2的textview" />

Fragment1.java

public class Fragment1 extends Fragment {

/**

* 当fragment被初始化 要显示他的内容的时候 调用.

*/

@Override

public View onCreateView(LayoutInflater inflater, ViewGroup container,

Bundle savedInstanceState) {

return inflater.inflate(R.layout.fragment1, container, false);

}

}Fragment2.java

public class Fragment2 extends Fragment {

@Override

public View onCreateView(LayoutInflater inflater, ViewGroup container,

Bundle savedInstanceState) {

return inflater.inflate(R.layout.fragment2, container, false);

}

}activity_main.xml

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context=".MainActivity" >

MainActivity.java

public class MainActivity extends FragmentActivity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

WindowManager wm = getWindowManager();

int width = wm.getDefaultDisplay().getWidth();

int height = wm.getDefaultDisplay().getHeight();

// 帧片段服务的管理者

FragmentManager fm = getSupportFragmentManager();

FragmentTransaction fragmentTransaction = fm.beginTransaction();

if (height > width) {// 竖直屏幕

fragmentTransaction.replace(android.R.id.content, new Fragment1());

} else {// 水平的屏幕

fragmentTransaction.replace(android.R.id.content, new Fragment2());

}

fragmentTransaction.commit();

}

}